With the continuous development of economy, standardization and integration of goods have become increasingly high. Curtainsiders, which are lightweight, fast, energy-saving and environmentally friendly, have become the new darlings of the transportation industry. It greatly saves handling time and shipping costs. The high quality PVC curtain sides work as the shelter to provide complete cargo protection to the loaded items from extreme external elements and sealed from harsh weather conditions. Its elastic wall effect is also shock resistant from the items during transit.